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Finding the Fourth Proportional to 530,989.34, 796,005.76 and 193,793.40

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Solution

The fourth proportional to 530,989.34, 796,005.76 and 193,793.40 is: 290,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,989.34 : 796,005.76 = 193,793.40 : x
  2. Step 2: Convert to fraction form
    530,989.34/796,005.76 = 193,793.40/x
  3. Step 3: Cross multiply
    530,989.34x = 796,005.76 × 193,793.40
  4. Step 4: Simplify right side
    530,989.34x = 154,260,662,649.98
  5. Step 5: Solve for x
    x = 154,260,662,649.98/530,989.34
  6. Step 6: Final answer
    x = 290,515.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.